How to change a three-phase fee-controlled switch into an ordinary switch

The method of converting a three-phase fee-controlled switch into an ordinary switch is as follows:

1. Find the zero and fire wires. The left side of the three-phase fee-controlled switch is labeled N interface is the zero wire, the other three are fire wire.

2, choose any one of the fire wire into the fire wire port of the ordinary switch, the zero wire of the three-phase switch into the zero wire port of the ordinary switch can be.